package com.byxy.luntan.service;

import com.byxy.luntan.entity.User;

public interface UserService {
	/**
	 * 
	 * @param userName
	 * @param userPassword
	 * @return 找到返回对象 找不到返回 Null
	 */
	
	User getByNameAndPassword(String userName, String userPassword);

	void save(String user_name, String user_nick, String user_password, Integer user_type);

	
	
}
